


oscillator

oscillator

Righi pattern oscillator, 1870-1923
1870-1923

Ferranti experimental oscillator
1949-1950

Negatron oscillator

The first British silicon integrated circuit (an oscillator)
1960

Backward wave oscillator ("O" type Carcinotron)

Backward wave oscillator ("O" type Carcinotron)

Oscillator, testing, No. 10

Oscillator no. 853 2100 C\S

Audio generator oscillator with vernier dial

Demonstration transistor oscillator, 1952
1952

BBC OS3/1 Variable Frequency Oscillator
1960

oscillator

oscillator

Type CO546 Oscillator

Type CO546 Oscillator

Experimental oscillator

German crystal oscillator Type PQK 16

Halsey-Sullivan precision heterodyne oscillator

Beat frequency electronic oscillator

Triangle and square wave oscillator model TG 150D by Level Electronic Ltd

Hertzian oscillator, 1894
1894

RC Oscillator Type TF1101 No.52052/159
1960-1979
Ryall-Sullivan precision heterodyne oscillator.
1952
Muirhead-Wigan Decade Oscillator
1964
Marconi - Franklin master oscillator
gunn oscillator
circa 1950
'Schwebungssummer' type oscillator
Siemens and Halske audio-frequency oscillator
1937
Quartz controlled transistor oscillator
"Dawe" wide-range oscillator type 400c (0.1 HZ - 1000 HZ)
Oscillator, 50-150 Kc/s
1952
gunn oscillator
circa 1950
gunn oscillator
circa 1950
gunn oscillator
circa 1950
Replica of Hertz oscillator with rectangular plate, 1928-1929
1928-1929
Oscillator
Audio oscillator
1962
Light actuated oscillator.
1969